Which hormone is not produced by the placenta?

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Prepare effectively for the Antepartum and Intrapartum OB Test. Gain confidence with multiple choice questions, comprehensive hints, and detailed explanations. Ensure your exam success!

Multiple Choice

Which hormone is not produced by the placenta?

Explanation:
Testosterone is not produced by the placenta. During pregnancy, the placenta functions as an endocrine organ that makes estrogen (primarily estriol) and progesterone to support the pregnancy, and it also secretes human chorionic gonadotropin to maintain the corpus luteum early on. Estrogen and progesterone production by the placenta comes from cholesterol through placental enzymes, while hCG is produced by placental trophoblasts. Testosterone, however, is mainly produced by the fetal testes (and to some extent fetal adrenals), not by the placenta.

Testosterone is not produced by the placenta. During pregnancy, the placenta functions as an endocrine organ that makes estrogen (primarily estriol) and progesterone to support the pregnancy, and it also secretes human chorionic gonadotropin to maintain the corpus luteum early on. Estrogen and progesterone production by the placenta comes from cholesterol through placental enzymes, while hCG is produced by placental trophoblasts. Testosterone, however, is mainly produced by the fetal testes (and to some extent fetal adrenals), not by the placenta.

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